H2.0 hexagonal wrench
H2.5 hexagonal wrench
Cutting pliers
Cable ties
New mainboard
The mainboard is located in the lower left corner at the back of the machine
Removing the mainboard
Power off and unplug the power cord
Use H2.0 and H2.5 hexagonal wrenches to remove the screws on the back and take off the back panel
Use cutting pliers to cut the cable ties. Note: be careful not to cut any ribbon cables
Unplug all the wires from the mainboard
Use H2.0 hexagonal wrench to remove the four M3 screws on the mainboard
Remove the damaged mainboard
Place the new mainboard, pay attention to the direction and align the holes
Use H2.0 hexagonal wrench to install the four M3 screws on the mainboard.
Refer to the mainboard wiring diagram to plug in all the wires to the mainboard. Note: do not plug in any wire incorrectly, otherwise it will cause secondary damage to the machine.
Plug in the power cord and turn on the printer.
Touch the screen, test the machine's heating, movement and other functions, check if the machine is working normally
After testing, power off and unplug the power cord
Organize the cables and secure them in place with cable ties.
Install the back panel using H2.0 and H2.5 hexagonal wrenches to fasten the screws on the back.
Replace Mainboard
https://youtu.be/xpgVKE8P2pI